1
22
23 package com.liferay.portal.upload;
24
25 import com.liferay.portal.kernel.util.ProgressTracker;
26 import com.liferay.portal.kernel.util.Validator;
27
28 import java.util.List;
29 import java.util.Map;
30
31 import javax.servlet.http.HttpServletRequest;
32 import javax.servlet.http.HttpSession;
33
34 import org.apache.commons.fileupload.FileItem;
35 import org.apache.commons.fileupload.FileItemFactory;
36 import org.apache.commons.fileupload.FileUploadException;
37 import org.apache.commons.fileupload.servlet.ServletFileUpload;
38
39
45 public class LiferayFileUpload extends ServletFileUpload {
46
47 public static final String FILE_NAME =
48 LiferayFileUpload.class.getName() + "_FILE_NAME";
49
50 public static final String PERCENT = ProgressTracker.PERCENT;
51
52 public LiferayFileUpload(
53 FileItemFactory fileItemFactory, HttpServletRequest request) {
54
55 super(fileItemFactory);
56
57 _session = request.getSession();
58 }
59
60 public List<LiferayFileItem> parseRequest(HttpServletRequest request)
61 throws FileUploadException {
62
63 _session.removeAttribute(LiferayFileUpload.FILE_NAME);
64 _session.removeAttribute(LiferayFileUpload.PERCENT);
65
66 return super.parseRequest(request);
67 }
68
69
72 protected FileItem createItem(Map headers, boolean formField)
73 throws FileUploadException {
74
75 LiferayFileItem item = (LiferayFileItem)super.createItem(
76 headers, formField);
77
78 String fileName = item.getFileName();
79
80 if (Validator.isNotNull(fileName)) {
81 _session.setAttribute(LiferayFileUpload.FILE_NAME, fileName);
82 }
83
84 return item;
85 }
86
87 private HttpSession _session;
88
89 }